Ive dropped it like 7 times in the last week! Not on concrete or anything, but hard wood floors. Battery has flown out and I thought I'd crack the screen one of the times I've done it. Still running like a champ and no blemishes to show for the drops. Only mark I have is from dropping off my lap getting out of the car. So between that and now seeing the 3g icon 95% of the time I'm pretty happy! I'm seeing noticeable faster browsing speeds, but no speed test that shows any faster results.
Overall I am more then satisfied with this phone, and I only paid like $40 brand new from a friend that got T-Mobile 2 days after getting this Optimus. So for $40, very decent IMO.